Radioactivity-HPLC-Flow-Monitor for Gamma Rays

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Article No.: A1645
Articlename: Radioactivityflow detector Gabi*

Radioactivity-HPLC-Flow-Monitor for Gamma Rays

GABI* is the latest technology μ-processor controlled gamma spectrometer. GABI* is assembled by modules of 19” format, which makes modification and service support very fast and easy. GABI* has high voltage unit for manual or automatic selection of the required detector operation. Inserting a suitable calibration source and running the automatic calibration program, GABI* is setting all parameters to an calibrated energy scale. Recalibration for compensation of any drift is quite easy, fast and fully automatic. GABI* has 2 simultaneous counting channels with 2 individually selectable energy thresholds each for setting an individual counting window for a particular nuclide. GABI* is counting the radiation events in an energy channel per selected interval time. The information of counts per time is transferred to GINA* program. The chromatogram is displayed live on screen. No overriding of ranges can happen. Peak integration, background subtraction, flow correction, absolute activity calculation etc can be performed manually or automatically. Limit-of-detection is determined for every ROI, displayed and printed. All data and parameters are stored under one identity code. GINA* can be installed as well in the background of the original HPLC-operation program and the user can use the operation program of the HPLC supplier as well as the advantages of GINA*.

Technical Data


Detector type Radioactivity detector
Version flow-through γ-radioactivity monitor
Detection channels 2


Inputs 7 analog input channels, -0.5 to +4.5 V, resolution 21 bit
Outputs RS232C, 2 analog outputs 0 to 1 V, resolution 20 bit
Control keyboard 16 touch sensetive keys, digital communication to pc, Gina* programm

Technical parameters

Ambient conditions Temperature range: 10 - 40 °C Humidity: below 70 % noncondensing


Power supply 230 V; 50 Hz
Dimensions 250 x 160 x 320 mm (W x H x D)


Note Scintillation probe has to be additionally choosen.

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Certified Quality 

KNAUER is known for the quality of its products and has been certified several times. We produce high-tech laboratory instruments for research, routine analysis and production for 59 years.
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In addition, we have extended documentation about all our products, including CE Declarations of Conformity.
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